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Need extload patterns after Chris' DAG combiner changes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28127 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-05-05 08:23:07 +00:00
parent 6fc205fc44
commit 4713724eda
1 changed files with 11 additions and 1 deletions
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12
lib/Target/X86/X86InstrInfo.td
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@ -306,6 +306,11 @@ def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i1))>;
def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i1))>;
def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extload node:$ptr, i8))>;
def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i8))>;
def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extload node:$ptr, i16))>;
//===----------------------------------------------------------------------===//
// Instruction templates...
@ -2393,7 +2398,12 @@ def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
// extload bool -> extload byte
def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
// anyext -> zext
def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;